Granted Patent
Utility
US 5,405,323 · App. 08/199,713
Catheter check valve assembly
Inventors:
Russell L. Rogers, Paul J. E. Fournier, Gary B. Challender
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Feb 22, 1994
Inventors
Russell L. Rogers
Paul J. E. Fournier
Gary B. Challender
Assignee (at issue)
Aeroquip Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.